Decentralized finance (DeFi) platforms have suffered over $840 million in losses due to hacks in the first five months of 2026, marking one of the worst years on record for such incidents. April alone accounted for more than $600 million in losses, including major exploits on KelpDAO and Drift Protocol, which resulted in $292 million and $285 million losses, respectively. Security researchers have identified vulnerabilities in cross-chain protocols, leading to significant trading halts. Experts attribute a significant portion of these attacks to North Korean state actors, with 76% of global cryptocurrency hacking losses in early 2026 linked to them. The use of artificial intelligence by attackers to identify vulnerabilities has been noted as a growing concern. Despite the severity of recent attacks, experts like Natalie Newson from CertiK suggest that the overall trend of incidents remains stable compared to previous years, though the complexity and impact of attacks have increased. The DeFi sector is urged to enhance transparency and collaboration to address these challenges. Ari Redbord from TRM Labs emphasizes the need for real-time public-private partnerships to combat sophisticated threats, while Raz Niv from Blockaid highlights the importance of addressing structural vulnerabilities in DeFi systems. The industry is increasingly recognizing cybersecurity as a comprehensive issue, requiring both technological and procedural solutions to safeguard against future threats.